The Bolt,machine, cataloged under National Stock Number 5306-00-780-8109, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-780-8109 |
| Primary Part Number | 9409221 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Head Height | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Fastener Length | 1.625 INCHES NOMINAL IN |
| Thread Length | 0.750 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | UNFINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Locking Feature | DISTORTIONS BEARING SURFACE OF HEAD |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9409221 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 5306007808109 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5306-00-780-8109 is a Bolt,machine, manufactured by General Motors Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-780-8109 has 1 manufacturer part number on file: 9409221 (General Motors Corp).
Key specifications for 9409221: Head Height: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Fastener Length: 1.625 INCHES NOMINAL IN; Thread Length: 0.750 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.